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14
NOTICE:
Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor
performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage
section of this manual.
FUEL
WARNING
Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements
are
NOT
approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance
problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited
to, improper clutch engagement. Alternative fuels may also cause premature deterioration of fuel lines, gaskets,
carburetors and other engine components.
Fuel Requirements
Gasoline -
Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up
to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood
alcohol) is
NOT
approved.
Two Stroke Oil -
A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345 - FC/FD
Standards must be used. Echo brand premium Power Blend X
TM
Universal 2-Stroke Oil meets these standards. Engine
problems due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345 -
FC/FD certified oil, such as Echo premium Power Blend X
TM
, will void the two-stroke engine warranty.
IMPORTANT
Echo premium Power Blend X
TM
Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo
engines sold in the past regardless of ratio specified in those manuals.
O
PERATION
WARNING
Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from
all openings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a complete
stop before removing obstructions, clearing debris, or servicing unit. Blower housing may contain shredder
blades and other sharp edges that can cause serious injuries if touched, even if engine is off and blades are not
moving. Wear gloves to protect hands from sharp edges and hot surfaces.
WARNING
Operation of this equipment may create sparks that can start fires around dry vegetation. This unit is equipped
with a spark arrestor and a spark arrestor may be required. The operator should contact local fire agencies for
laws or regulations relating to fire prevention requirements.
Summary of Contents for PB-770H
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